The Big Timber 0 degrees F bag is a rugged, dependable and comfortable sleeping bag guaranteed to give you a full night's rest for your next day's adventure. The cotton flannel lines lives the bag a plush feel and the two-layer construction prevents cold spots. Packed size 12" x 36", fits to 6' 6", size 80" x 38", Slumberloft synthetic insulation, shell is 8 oz. cotton duck, liner is cotton flannel. Anti-snag zipper protection, zip together feature allows two same-sized rectangular bags to be zipped together for a double-wide, durable, heavy duty shell material, three compression straps for easy storing.